#!/usr/bin/env bash

sleep 1

clear

cat << 'EOF'

              ,;###GGGGGGGGGGl#Sp
           ,##GGGlW""^'  '`""%GGGG#S,
         ,#GGG"                  "lGG#o
        #GGl^                      '$GG#
      ,#GGb                          \GGG,
      lGG"                            "GGG
     #GGGlGGGl##p,,p##lGGl##p,,p###ll##GGGG
    !GGGlW"""*GGGGGGG#""""WlGGGGG#W""*WGGGGS
     ""          "^          '"          ""
             umbrelOS USB Installer
EOF
echo

# If device is an Umbrel Home auto flash and shutdown non-interactively since we don't have video output.
if dmidecode -t system | grep --silent 'Umbrel Home'
then
    echo "Umbrel Home detected."
    echo "Automatically flashing internal storage..."
    xz --decompress --stdout /umbrelos-amd64.img.xz | dd of=/dev/nvme0n1 bs=4M status=progress
    echo "umbrelOS has been installed, shutting down."
    poweroff
    exit 1
fi

# For all other devices, run the interactive installer.
echo "Installing umbrelOS will wipe your entire storage device."
echo
readarray -t devices < <(lsblk --nodeps --output NAME,VENDOR,MODEL,SIZE | sed '1d')
PS3="Select a storage device by number to install umbrelOS on: "
select device in "${devices[@]}"
do
    if [[ -n "$device" ]]
    then
        echo "installing umbrelOS on: $device"
        device_path="/dev/$(echo $device | awk '{print $1}')"
        xz --decompress --stdout /umbrelos-amd64.img.xz | dd of=$device_path bs=4M status=progress
        sync
        echo
        echo "umbrelOS has been installed!"
        printf "Press any key to shutdown, remember to remove the USB drive before turning the device back on."
        read -n 1 -s
        poweroff
        break
    else
        echo "Invalid choice, please try again."
    fi
done